The first company was trip planning and content site, Wanderfly, followed earlier this year with a trio of other brands.
The most high profile of all the acquisitions was for the Jetsetter deals service in April. This came just weeks after TripAdvisor snapped up the little known photo sharing service Tiny Post.
Last week, again for an undisclosed fee as has been the case with each of the deals so far, the company carried out an acqui/tech-hire for cruise online travel agency CruiseWise.
Read full story at: http://www.tnooz.com/2013/05/06/news/why-and-how-did-wanderfly-sell-up-to-tripadvisor/